1,720,966 research outputs found
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Heart Rate Reactivity In Stressed and Sleep Deprived Individuals
No full textAcute sleep deprivation and acute stress lead to similar changes in physiological and cognitive functioning. However, very little research has investigated the combined effects of acute sleep deprivation and acute stress on heart rate reactivity. The first aim of the current study was to compare delta heart rate in acutely sleep deprived and non-sleep deprived participants during an acute psychosocial stressor. It was hypothesized that sleep deprived participants would exhibit lower delta heart rate than well-rested participants. The second aim was to examine heart rate recovery after exposure to an acute stressor. It was hypothesized that sleep deprived individuals would experience delays in heart rate recovery immediately after the stressor. Lastly, an exploratory analysis was run to explore the relationship between cortisol and heart rate reactivity in sleep deprived and non-sleep deprived conditions. A sample of 15 healthy adults was included in the analyses. The participants either spent a night of total sleep deprivation (N=9) or a night of well-rested sleep (N=6). Beats-per-minute recordings were taken before the acute stressor (pre-stress), during the acute stressor (stress), and immediately after the acute stressor (post-stress). Saliva samples were collected at the end of the pre-stress, stress, and post-stress time points. A significant difference was observed in estimated BPM variance between conditions, with sleep deprived individuals having less variability in their heart beats in comparison to non-sleep deprived individuals. There were no significant differences in delta heart rate or heart rate recovery between conditions. Moreover, exploratory analyses did not reveal a significant relationship between cortisol and estimated BPM. Taken together, the results of the present study suggest that acute sleep deprivation lowers estimated BPM variance. Future research should be conducted to better understand the extent to which acute psychosocial stress impacts physiological stress responses, namely heart rate reactivity and variance, in acutely sleep deprived individuals
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
Knowledge and clinical practice of therapists treating comorbid anxiety and insomnia
Full text linkThe purpose of this study was to explore the extent to which therapists who treat anxiety also treat comorbid insomnia. A survey was created to test therapists’ knowledge about insomnia and their expertise related to effective treatment methods. Results indicate that the majority of therapists in this study have not kept up with research that shows that anxiety and insomnia are bidirectionally causative, interactive, and exacerbating. They have not altered the way they treat clients to ensure that, when treating anxiety, issues related to insomnia are identified and specifically addressed. Additionally, they have failed to learn best practices for treating insomnia. Of the therapists in this study, 59% reported that they do not treat insomnia when it is comorbid with anxiety, and 82% do not use the most efficacious treatment for insomnia, Cognitive Behavioral Therapy for Insomnia (CBT-I), when their clients are experiencing it. A subgroup of therapists who treat insomnia with CBT-I showed superior performance on every measure of the test and on self-reported treatment outcomes. Further exploration of the results, recommendations for future research, and practical implications are discussed.
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
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